Home / 7,981.08-11,966.07-3,536.33

Finding the Fourth Proportional to 7,981.08, 11,966.07 and 3,536.33

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Solution

The fourth proportional to 7,981.08, 11,966.07 and 3,536.33 is: 5,302.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.08 : 11,966.07 = 3,536.33 : x
  2. Step 2: Convert to fraction form
    7,981.08/11,966.07 = 3,536.33/x
  3. Step 3: Cross multiply
    7,981.08x = 11,966.07 × 3,536.33
  4. Step 4: Simplify right side
    7,981.08x = 42,315,988.98
  5. Step 5: Solve for x
    x = 42,315,988.98/7,981.08
  6. Step 6: Final answer
    x = 5,302.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.